
Topic
Aircraft Carrier: How the Flattop Defines Modern Naval Power
A mobile airfield at sea remains the centerpiece of a fleet, and the debate over its future is now a policy question in its own right.

A mobile airfield at sea remains the centerpiece of a fleet, and the debate over its future is now a policy question in its own right.

The flag state answers for a ship's registry, surveys, crew papers, and casualties under UNCLOS Article 94. Open registries carry most tonnage, so port state control serves as the backup.

Three types of marine cover decide which routes stay open, and which ships stay in port.